Home / 852,177.60-1,278,713.52-320,065.92

Finding the Fourth Proportional to 852,177.60, 1,278,713.52 and 320,065.92

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Solution

The fourth proportional to 852,177.60, 1,278,713.52 and 320,065.92 is: 480,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,177.60 : 1,278,713.52 = 320,065.92 : x
  2. Step 2: Convert to fraction form
    852,177.60/1,278,713.52 = 320,065.92/x
  3. Step 3: Cross multiply
    852,177.60x = 1,278,713.52 × 320,065.92
  4. Step 4: Simplify right side
    852,177.60x = 409,272,619,195.24
  5. Step 5: Solve for x
    x = 409,272,619,195.24/852,177.60
  6. Step 6: Final answer
    x = 480,266.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.